*{
    margin: 0;
    padding: 0;
}
 .btn-list{
      width: 100px;
      height: 186px ;
      line-height: 30px;
      position: fixed;
      right: 0%; 
      top: 50%;
      margin-top: -93px;
      /* background-color: #fff; */
      z-index: 999;
}
.btn-list li{
      list-style-type: none;
    //   border-bottom: 1px solid #000;
      text-align: center;
      cursor: pointer;
      color: rgb(90, 255, 24);
}
.btn-list li.active{
      color: #f10;
}

#louti_1{
    height: 979px;
}
.btn-list .haha{
    font-weight: bold;
}